Full list of all 75 The Elder Scrolls V: Skyrim achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there are 3 DLC packs containing 25 achievements.
Reach Level 50
Bounty of 1000 gold in all nine holds
Complete "Hail Sithis!"
Complete "Bound Until Death"
Join the Dark Brotherhood
Collect 15 Daedric Artifacts
Pick 50 locks and 50 pockets
Capture Solitude or Windhelm
Capture Fort Sungard or Fort Greenwall
Join the Stormcloaks or the Imperial Army
Get married
Returned the Thieves Guild to its former glory
Have 100,000 gold
Read 50 Skill Books
Learn 20 shouts
Complete "The Eye of Magnus"
Complete "Revealing the Unseen"
Get a skill to 100
Complete "Dragonslayer"
Absorb 20 dragon souls
Complete "The Fallen"
Complete "Elder Knowledge"
Find 13 Standing Stones
Clear 50 dungeons
Escape from jail
Complete "Darkness Returns"
Complete "Alduin's Wall"
Complete "Diplomatic Immunity"
Complete "Glory of the Dead"
Reach Level 25
Select a Standing Stone blessing
Complete 10 side quests
Discover 100 Locations
Chop wood, mine ore, and cook food
Become a member of the Circle
Buy a house
Acquire a Daedric Artifact
Complete 50 Misc Objectives
Make a smithed item, an enchanted item, and a potion
Successfully persuade, bribe, and intimidate
Learn all three words of a shout
Join the College of Winterhold
Reach Level 10
Complete "The Way of the Voice"
Join the Companions
Absorb a dragon soul
Join the Thieves Guild
Reach Level 5
Complete "Bleak Falls Barrow"
Complete "Unbound"
Tame and ride 5 dragons
Learn the secrets of 5 Black Books
Own a house in Raven Rock
Craft an item out of Stalhrim
Learn all 3 words of Dragon Aspect
Complete "At the Summit of Apocrypha"
Discover 30 locations on the island of Solstheim
Complete "The Path of Knowledge"
Complete "The Temple of Miraak"
Arrive on Solstheim
Defeat a Legendary Dragon
Acquire 11 vampire perks
Use the special power of Auriel's Bow
Complete "Kindred Judgment"
Learn all three words of Soul Tear
Complete "Beyond Death"
Complete "Awakening"
Acquire 11 werewolf perks
Complete "Lost to the Ages"
Change your face
Build three houses
Build three wings on a house
Buy three plots of land
Buy a plot of land
Adopt a child