The apt way.
apt-cache show tvheadend
---
mark@microserver1:~$ sudo apt-cache show tvheadend
[sudo] password for mark:
Package: tvheadend
Version: 4.3-889~g6d00befe8~stretch
Architecture: amd64
Maintainer: Adam Sutton <aps@tvheadend.org>
Installed-Size: 38318
Depends: libavahi-client3 (>= 0.6.16), libavahi-common3 (>= 0.6.16), libc6 (>= 2.22), libdbus-1-3 (>= 1.9.14), libpcre3, libssl1.1 (>= 1.1.0), libstdc++6 (>= 4.1.1), liburiparser1 (>= 0.6.0), zlib1g (>= 1:1.2.0.2), bzip2
Recommends: xmltv-util
Enhances: showtime
Replaces: hts-tvheadend
Section: video
Priority: extra
Homepage: https://tvheadend.org
Description: Tvheadend
Tvheadend is a TV streaming server and digital video recorder.
- supports a variety of inputs (DVB-S(2)/T(2)/C, ISDB-S/T/C, ATSC-T/C, IPTV, SAT>IP, HDHR)
- supports a variety of clients (Movian, Smart TV, Kodi, VLC)
Description-md5: 596b71b2f0213a087c514952de1d6262
Filename: pool/t/tvheadend/tvheadend_4.3-889~g6d00befe8~stretch_amd64.deb
SHA1: 5cd11b716045a0a1958fce1c29ca1a39d11d067a
SHA256: de0db0e552df44191ea4a568d63b01efef90e82752f8d5fed1a3a31f1693f7a5
Size: 10571048
Package: tvheadend
Version: 4.3-888~gf00d5bb40~stretch
Architecture: amd64
Maintainer: Adam Sutton <aps@tvheadend.org>
Installed-Size: 38318
Depends: libavahi-client3 (>= 0.6.16), libavahi-common3 (>= 0.6.16), libc6 (>= 2.22), libdbus-1-3 (>= 1.9.14), libpcre3, libssl1.1 (>= 1.1.0), libstdc++6 (>= 4.1.1), liburiparser1 (>= 0.6.0), zlib1g (>= 1:1.2.0.2), bzip2
Recommends: xmltv-util
Enhances: showtime
Replaces: hts-tvheadend
Section: video
Priority: extra
Homepage: https://tvheadend.org
Description: Tvheadend
Tvheadend is a TV streaming server and digital video recorder.
- supports a variety of inputs (DVB-S(2)/T(2)/C, ISDB-S/T/C, ATSC-T/C, IPTV, SAT>IP, HDHR)
- supports a variety of clients (Movian, Smart TV, Kodi, VLC)
Description-md5: 596b71b2f0213a087c514952de1d6262
Filename: pool/t/tvheadend/tvheadend_4.3-888~gf00d5bb40~stretch_amd64.deb
SHA1: 2f8fb3a16c828f07a104a6d6c912267fcc564f6a
SHA256: e0c4ff1adc649ca9eed709d886334d4b4dda368a02f15e84f8f666a728c06dca
Size: 10571166
Package: tvheadend
Version: 4.3-884~gee0d3bbe0~stretch
Architecture: amd64
Maintainer: Adam Sutton <aps@tvheadend.org>
Installed-Size: 38328
Depends: libavahi-client3 (>= 0.6.16), libavahi-common3 (>= 0.6.16), libc6 (>= 2.22), libdbus-1-3 (>= 1.9.14), libpcre3, libssl1.1 (>= 1.1.0), libstdc++6 (>= 4.1.1), liburiparser1 (>= 0.6.0), zlib1g (>= 1:1.2.0.2), bzip2
Recommends: xmltv-util
Enhances: showtime
Replaces: hts-tvheadend
Section: video
Priority: extra
Homepage: https://tvheadend.org
Description: Tvheadend
Tvheadend is a TV streaming server and digital video recorder.
- supports a variety of inputs (DVB-S(2)/T(2)/C, ISDB-S/T/C, ATSC-T/C, IPTV, SAT>IP, HDHR)
- supports a variety of clients (Movian, Smart TV, Kodi, VLC)
Description-md5: 596b71b2f0213a087c514952de1d6262
Filename: pool/t/tvheadend/tvheadend_4.3-884~gee0d3bbe0~stretch_amd64.deb
SHA1: 6b4a8eeba9a246e3b89932e89537d987dd536a52
SHA256: ede515964d26f15ada618797a7b3f094a4be06c57708aaf13277df3ad7f12fab
Size: 10573032
Pick a version & install..
sudo apt-get install tvheadend*=4.3-889~g6d00befe8~stretch
HTH